diff --git a/config/description.exs b/config/description.exs
index c28447b37..3a2a65272 100644
--- a/config/description.exs
+++ b/config/description.exs
@@ -1005,7 +1005,8 @@
         key: :birthday_min_age,
         type: :integer,
         description:
-          "Minimum required age for users to create account. Only used if birthday is required."
+          "Minimum required age (in days) for users to create account. Only used if birthday is required.",
+        suggestions: [6570]
       }
     ]
   },